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Every driver knows, at least intuitively, Newton's third law of motion, right? Or is it the first? In any case, it typically runs something like "for every action there's an equal and opposite reaction," and is meant to describe momentum and the interaction of objects. The wheels and tires, propelled by the truck's engine, give it momentum enough that the consistent resisting force of the pavement doesn't slow the truck down. . . .
When I ...